 
<script type="text/javascript">  
function isNumberKey(evt){
    var charCode = (evt.which) ? evt.which : event.keyCode
    if (charCode > 31 && (charCode < 48 || charCode > 57))
        return false;
    return true;
}
</script>   
<div class="row-fluid">
	<div class="span5">
		<div class="widget-box">
			<div class="widget-header">
			 <h4>Số dư hiện tại: <?php echo number_format($total_profit); ?></h4>
			</div>
			<?php echo form_open_multipart('user/authen_withdraw'); ?>
			<div class="widget-body">
				<div class="widget-main no-padding">
					<form />
					<!--<legend>Form</legend>--> 
					<fieldset>  
						<label>Số tiền cần rút</label> 
						<input type="text"
							   name="balance_change" onkeypress="return isNumberKey(event)"/>  
					</fieldset> 
					<div class="form-actions center"> 
						<input type="submit" value="Xác nhận" class="btn btn-small btn-success"> 
					</div>
					</form>
				</div>
			</div>
			<?php echo form_close(); ?>
		</div>
	</div>
</div>
